/Engine/Plugins/Importers/USDImporter/Source/USDStageEditor/Public/USDStageEditorBlueprintLibrary.h
Reloads all layers of the current USD Stage. Corresponds to the "File -> Reload" action on the USD Stage Editor menu bar.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="USD|Menu Actions") static void FileReload()